Abstract: Disclosed are a method and device for guaranteeing consistency of planning data, which relate to the field of wireless networks. The method comprises: according to an actual configuration of a network, the network management data about an actual operation of the network is derived; the planning data is converted into an intermediate file with a same format as that of the network management data; the intermediate file is compared with the network management data, and the network management data is updated according to the comparison result to enable the planning data to be consistent with the network management data. The present disclosure can guarantee that the planning data is consistent with the network management data, thereby guaranteeing the performance reliability of the network during operation.